6b762d368f0b085080a5d42a44f08feb656900cc510c190fe949f5c8011166ee

Analysis

max time kernel
144s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
30-12-2023 23:54

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General

Target

20bbbd91db44133d650f2ec3e091b657.pdf
Size

91KB
MD5

20bbbd91db44133d650f2ec3e091b657
SHA1

25739990a8d99b7b90980013dbff8c3ea63b576c
SHA256

6b762d368f0b085080a5d42a44f08feb656900cc510c190fe949f5c8011166ee
SHA512

2ca257a10b4905020a66347217cbea747f015f9049ae7d7d6af44a810ab2848e614e5c5325f1b76e94a7e8e310411e4adf8c2493ebfdffc4d2269054176e6aaa
SSDEEP

1536:dxtSXI4ZMBHjQOqhoZluXu8SGGvPJylh1sHr88CeRrflKFtpssxLskThktuZc+WS:rtMZKHsZXxSvklh1stCsrfopsgA+h6uT

Score

1^/10

Malware Config

Signatures

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AcroRd32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4592	AcroRd32.exe
4592	AcroRd32.exe
4592	AcroRd32.exe
4592	AcroRd32.exe
4592	AcroRd32.exe
4592	AcroRd32.exe
4592	AcroRd32.exe
4592	AcroRd32.exe
4592	AcroRd32.exe
4592	AcroRd32.exe
4592	AcroRd32.exe
4592	AcroRd32.exe
4592	AcroRd32.exe
4592	AcroRd32.exe
4592	AcroRd32.exe
4592	AcroRd32.exe
4592	AcroRd32.exe
4592	AcroRd32.exe
4592	AcroRd32.exe
4592	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4592	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4592	AcroRd32.exe
4592	AcroRd32.exe
4592	AcroRd32.exe
4592	AcroRd32.exe
4592	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4592 wrote to memory of 336	4592	AcroRd32.exe	94
PID 4592 wrote to memory of 336	4592	AcroRd32.exe	94
PID 4592 wrote to memory of 336	4592	AcroRd32.exe	94
PID 336 wrote to memory of 1768	336	RdrCEF.exe	95
PID 336 wrote to memory of 1768	336	RdrCEF.exe	95
PID 336 wrote to memory of 1768	336	RdrCEF.exe	95
PID 336 wrote to memory of 1768	336	RdrCEF.exe	95
PID 336 wrote to memory of 1768	336	RdrCEF.exe	95
PID 336 wrote to memory of 1768	336	RdrCEF.exe	95
PID 336 wrote to memory of 1768	336	RdrCEF.exe	95
PID 336 wrote to memory of 1768	336	RdrCEF.exe	95
PID 336 wrote to memory of 1768	336	RdrCEF.exe	95
PID 336 wrote to memory of 1768	336	RdrCEF.exe	95
PID 336 wrote to memory of 1768	336	RdrCEF.exe	95
PID 336 wrote to memory of 1768	336	RdrCEF.exe	95
PID 336 wrote to memory of 1768	336	RdrCEF.exe	95
PID 336 wrote to memory of 1768	336	RdrCEF.exe	95
PID 336 wrote to memory of 1768	336	RdrCEF.exe	95
PID 336 wrote to memory of 1768	336	RdrCEF.exe	95
PID 336 wrote to memory of 1768	336	RdrCEF.exe	95
PID 336 wrote to memory of 1768	336	RdrCEF.exe	95
PID 336 wrote to memory of 1768	336	RdrCEF.exe	95
PID 336 wrote to memory of 1768	336	RdrCEF.exe	95
PID 336 wrote to memory of 1768	336	RdrCEF.exe	95
PID 336 wrote to memory of 1768	336	RdrCEF.exe	95
PID 336 wrote to memory of 1768	336	RdrCEF.exe	95
PID 336 wrote to memory of 1768	336	RdrCEF.exe	95
PID 336 wrote to memory of 1768	336	RdrCEF.exe	95
PID 336 wrote to memory of 1768	336	RdrCEF.exe	95
PID 336 wrote to memory of 1768	336	RdrCEF.exe	95
PID 336 wrote to memory of 1768	336	RdrCEF.exe	95
PID 336 wrote to memory of 1768	336	RdrCEF.exe	95
PID 336 wrote to memory of 1768	336	RdrCEF.exe	95
PID 336 wrote to memory of 1768	336	RdrCEF.exe	95
PID 336 wrote to memory of 1768	336	RdrCEF.exe	95
PID 336 wrote to memory of 1768	336	RdrCEF.exe	95
PID 336 wrote to memory of 1768	336	RdrCEF.exe	95
PID 336 wrote to memory of 1768	336	RdrCEF.exe	95
PID 336 wrote to memory of 1768	336	RdrCEF.exe	95
PID 336 wrote to memory of 1768	336	RdrCEF.exe	95
PID 336 wrote to memory of 1768	336	RdrCEF.exe	95
PID 336 wrote to memory of 1768	336	RdrCEF.exe	95
PID 336 wrote to memory of 1768	336	RdrCEF.exe	95
PID 336 wrote to memory of 1768	336	RdrCEF.exe	95
PID 336 wrote to memory of 4280	336	RdrCEF.exe	96
PID 336 wrote to memory of 4280	336	RdrCEF.exe	96
PID 336 wrote to memory of 4280	336	RdrCEF.exe	96
PID 336 wrote to memory of 4280	336	RdrCEF.exe	96
PID 336 wrote to memory of 4280	336	RdrCEF.exe	96
PID 336 wrote to memory of 4280	336	RdrCEF.exe	96
PID 336 wrote to memory of 4280	336	RdrCEF.exe	96
PID 336 wrote to memory of 4280	336	RdrCEF.exe	96
PID 336 wrote to memory of 4280	336	RdrCEF.exe	96
PID 336 wrote to memory of 4280	336	RdrCEF.exe	96
PID 336 wrote to memory of 4280	336	RdrCEF.exe	96
PID 336 wrote to memory of 4280	336	RdrCEF.exe	96
PID 336 wrote to memory of 4280	336	RdrCEF.exe	96
PID 336 wrote to memory of 4280	336	RdrCEF.exe	96
PID 336 wrote to memory of 4280	336	RdrCEF.exe	96
PID 336 wrote to memory of 4280	336	RdrCEF.exe	96
PID 336 wrote to memory of 4280	336	RdrCEF.exe	96
PID 336 wrote to memory of 4280	336	RdrCEF.exe	96
PID 336 wrote to memory of 4280	336	RdrCEF.exe	96
PID 336 wrote to memory of 4280	336	RdrCEF.exe	96

C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe
"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\20bbbd91db44133d650f2ec3e091b657.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4592
- C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
  "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --backgroundcolor=16514043
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:336
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=4DD7C9D39D84651BF9D33FEC268D2CD0 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1768
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=A826AE0118DE731FE3CE891A0E2469AB --lang=en-US --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --enable-pinch --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --enable-gpu-async-worker-context --content-image-texture-target=0,0,3553;0,1,3553;0,2,3553;0,3,3553;0,4,3553;0,5,3553;0,6,3553;0,7,3553;0,8,3553;0,9,3553;0,10,3553;0,11,3553;0,12,3553;0,13,3553;0,14,3553;0,15,3553;0,16,3553;0,17,3553;0,18,3553;1,0,3553;1,1,3553;1,2,3553;1,3,3553;1,4,3553;1,5,3553;1,6,3553;1,7,3553;1,8,3553;1,9,3553;1,10,3553;1,11,3553;1,12,3553;1,13,3553;1,14,3553;1,15,3553;1,16,3553;1,17,3553;1,18,3553;2,0,3553;2,1,3553;2,2,3553;2,3,3553;2,4,3553;2,5,3553;2,6,3553;2,7,3553;2,8,3553;2,9,3553;2,10,3553;2,11,3553;2,12,3553;2,13,3553;2,14,3553;2,15,3553;2,16,3553;2,17,3553;2,18,3553;3,0,3553;3,1,3553;3,2,3553;3,3,3553;3,4,3553;3,5,3553;3,6,3553;3,7,3553;3,8,3553;3,9,3553;3,10,3553;3,11,3553;3,12,3553;3,13,3553;3,14,3553;3,15,3553;3,16,3553;3,17,3553;3,18,3553;4,0,3553;4,1,3553;4,2,3553;4,3,3553;4,4,3553;4,5,3553;4,6,3553;4,7,3553;4,8,3553;4,9,3553;4,10,3553;4,11,3553;4,12,3553;4,13,3553;4,14,3553;4,15,3553;4,16,3553;4,17,3553;4,18,3553;5,0,3553;5,1,3553;5,2,3553;5,3,3553;5,4,3553;5,5,3553;5,6,3553;5,7,3553;5,8,3553;5,9,3553;5,10,3553;5,11,3553;5,12,3553;5,13,3553;5,14,3553;5,15,3553;5,16,3553;5,17,3553;5,18,3553;6,0,3553;6,1,3553;6,2,3553;6,3,3553;6,4,3553;6,5,3553;6,6,3553;6,7,3553;6,8,3553;6,9,3553;6,10,3553;6,11,3553;6,12,3553;6,13,3553;6,14,3553;6,15,3553;6,16,3553;6,17,3553;6,18,3553 --disable-accelerated-video-decode --service-request-channel-token=A826AE0118DE731FE3CE891A0E2469AB --renderer-client-id=2 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4280
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=2541A9BF1AB5739676EE487FDF956D99 --mojo-platform-channel-handle=2328 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1552
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=093FE0317D750E485B678B5F6E78909E --lang=en-US --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --enable-pinch --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --enable-gpu-async-worker-context --content-image-texture-target=0,0,3553;0,1,3553;0,2,3553;0,3,3553;0,4,3553;0,5,3553;0,6,3553;0,7,3553;0,8,3553;0,9,3553;0,10,3553;0,11,3553;0,12,3553;0,13,3553;0,14,3553;0,15,3553;0,16,3553;0,17,3553;0,18,3553;1,0,3553;1,1,3553;1,2,3553;1,3,3553;1,4,3553;1,5,3553;1,6,3553;1,7,3553;1,8,3553;1,9,3553;1,10,3553;1,11,3553;1,12,3553;1,13,3553;1,14,3553;1,15,3553;1,16,3553;1,17,3553;1,18,3553;2,0,3553;2,1,3553;2,2,3553;2,3,3553;2,4,3553;2,5,3553;2,6,3553;2,7,3553;2,8,3553;2,9,3553;2,10,3553;2,11,3553;2,12,3553;2,13,3553;2,14,3553;2,15,3553;2,16,3553;2,17,3553;2,18,3553;3,0,3553;3,1,3553;3,2,3553;3,3,3553;3,4,3553;3,5,3553;3,6,3553;3,7,3553;3,8,3553;3,9,3553;3,10,3553;3,11,3553;3,12,3553;3,13,3553;3,14,3553;3,15,3553;3,16,3553;3,17,3553;3,18,3553;4,0,3553;4,1,3553;4,2,3553;4,3,3553;4,4,3553;4,5,3553;4,6,3553;4,7,3553;4,8,3553;4,9,3553;4,10,3553;4,11,3553;4,12,3553;4,13,3553;4,14,3553;4,15,3553;4,16,3553;4,17,3553;4,18,3553;5,0,3553;5,1,3553;5,2,3553;5,3,3553;5,4,3553;5,5,3553;5,6,3553;5,7,3553;5,8,3553;5,9,3553;5,10,3553;5,11,3553;5,12,3553;5,13,3553;5,14,3553;5,15,3553;5,16,3553;5,17,3553;5,18,3553;6,0,3553;6,1,3553;6,2,3553;6,3,3553;6,4,3553;6,5,3553;6,6,3553;6,7,3553;6,8,3553;6,9,3553;6,10,3553;6,11,3553;6,12,3553;6,13,3553;6,14,3553;6,15,3553;6,16,3553;6,17,3553;6,18,3553 --disable-accelerated-video-decode --service-request-channel-token=093FE0317D750E485B678B5F6E78909E --renderer-client-id=5 --mojo-platform-channel-handle=2448 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4792
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=6D862CDB3FB0ECA8D2C0E0F773BDB190 --mojo-platform-channel-handle=2652 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3356
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=701345EED453FAA05917C00C510A33FA --mojo-platform-channel-handle=1728 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4324

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3064

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
64KB

MD5
9b688227c6678eadb9167c8910b18668

SHA1
f208ae294d9fc001bc8fccda860b0f94c472c3e5

SHA256
909591157097e40d010633d832e34150bff636f5f78bbe3bfa3b1ac784564ad4

SHA512
123b2b121513aa63362b1d410aad6b7a5f83e98d0198491e1ca9d77c891f30087e1dcb61deaabf61fad6ded64013873d54fbe8c1a699f21448bd40219de7c305

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
36KB

MD5
b30d3becc8731792523d599d949e63f5

SHA1
19350257e42d7aee17fb3bf139a9d3adb330fad4

SHA256
b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3

SHA512
523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit